Hadean Eon

The first eon in Earth’s history.

The Hadean Eon is what is thought to be the first stages of Earth, approximately 9.2 billion years after space was supposedly created by the “Big Bang”.

Earth was created from rock and dust and other materials as it formed.

Climate
Hadean Eon was named after the Greek god Hades, the ruler of the underworld. This was due to the Earth having “hellish” conditions, with molten rock and temperatures over 200F.

At around 4.5-4.4 billion years ago, the moon would form from a impact on earth that causes a piece to come off and form the moon.

At 4.3-4.4 billion years ago, oceans would form, despite the temperature being over 200F. No oxygen had formed yet.

At 4-4.1 billion years ago, the Earth would finally have a solid crust after 500 million years of molten surfaces. Rocks from this eon have been found from as early as 4.2 billion years ago. Life would later begin to appear in the Archean Eon, the next eon.

The Hadean Eon was the only one without eras.